package com.cxx.purchasecharge.core.crypto;

import java.security.Key;

import org.apache.log4j.Logger;

/**
 * This class extends the AESEncryption class to provide an implementation
 * that retrieves its Key from the ICryptoKey interface.  This Key can come
 * from a keystore file or a perhaps some other Key provider.
 */
public class AESKeyStoreEncryption extends AESEncryption implements ICrypto
{
    private static final Logger logger = Logger.getLogger(AESKeyStoreEncryption.class);
    
    private ICryptoKey m_cryptoKey = null;
    
    public AESKeyStoreEncryption() throws CryptoException
    {    
        try
        {
            m_cryptoKey = new CryptoKeyFromKeyStore();
        }
        catch (Exception e)
        {
            throw new CryptoException (e);
        }
    }

    public Key getKey()
    {
        return m_cryptoKey.getKey();
    }
    
}
